He’s also decidedly un-horrified at the fact that he almost destroyed at least one “inhabited” universe — or just ignoring the implications that given that the negatory’s targeting was off /once/, he has no way of knowing for sure whether it wasn’t mistargeted before…

I don’t know what happens, but from his conversation with the giant space station I’m guessing it’s where he sent his real parents. It’s conceivable that there’s a different Zodon here who makes them much happier, which on some level he probably feels horribly about.